Home / 693,758.43-1,040,494.64-267,147.86

Finding the Fourth Proportional to 693,758.43, 1,040,494.64 and 267,147.86

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Solution

The fourth proportional to 693,758.43, 1,040,494.64 and 267,147.86 is: 400,666.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,758.43 : 1,040,494.64 = 267,147.86 : x
  2. Step 2: Convert to fraction form
    693,758.43/1,040,494.64 = 267,147.86/x
  3. Step 3: Cross multiply
    693,758.43x = 1,040,494.64 × 267,147.86
  4. Step 4: Simplify right side
    693,758.43x = 277,965,915,020.20
  5. Step 5: Solve for x
    x = 277,965,915,020.20/693,758.43
  6. Step 6: Final answer
    x = 400,666.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.